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About the battery BMS/PCB/PCM
Function : Detect and protect the battery from over-charge ,over-dicharge, over-current short-circuit ,temperature detecting protection and auotmatically voltage balance function .
Build with high end electronic components (High End IC and MOSFET ) ,simple structure design will let it have more stable quality working performance , Flexible application| PCM Specifications For 48V ( 20S ) LTO Battery Packs | ||||
| Model: TITAN BMS ( 20S ) | ||||
| No. | Test item | Criterion | ||
| 1 | Voltage | Charging voltage | DC: 55V 2.75V/Cell | |
| Single balanced voltage | 2.70±0.025V | |||
| 2 | Current | Balance current for single cell | 50±5mA | |
| Current consumption | ≤ 50 μ A | |||
| Maximal continuous charging current | 150A | |||
| Maximal continuous Discharging current | 150A | |||
| Peak current (5Seconds) | 200A (5seconds) | |||
| 3 | Over charge Protection | Over charge detection voltage | 2.8±0.025V | |
| Over charge detection delay time | 0.5S-2S | |||
| Over charge release voltage for single cell | 2.55±0.025V | |||
| Over discharge detection voltage for single cell | 1.6±0.05V | |||
| 4 | Over discharge protection | Over discharge detection delay time | 10mS-200mS | |
| Over discharge release voltage for single cell | 1.9±0.05V | |||
| 5 | Over current protection | Over current detection voltage | 0.1V | |
| Over current detection current | 600±100A | |||
| Detection delay time | 0.5-2S | |||
| Release condition | Cut load | |||
| 6 | Short protection | Detection condition | Exterior short circuit | |
| Detection delay time | 180-550us | |||
| Release condition | Cut load | |||
| 7 | Resistance | Protection circuitry ( MOSFET ) | ≤20mΩ | |
| 8 | Temperature | Protection Temperature | 10K NTC | |
| Operating Temperature Range | -40 ~ +65 ºC | |||
| Storage Temperature Range | -40 ~ +125 ºC | |||
Q: How many Ampere protection circuit boards should choose?
A: It depends on your load power such as electric motor power please contact the sales or technical support before buying.
Q: What is the distinction between same port wiring and different port wiring?
A: The cathode of charger and load is different for different port wiring , the cathode of charger and load is same for same port wiring and the charging current is equal to the discharge current.
Q: What is the distinction between balance and unbalance function?
A: Equilibrium function is that high voltage cells will be discharged with resistor, waiting for the low voltage cells , to achieve the each cell voltage is consistent , to improve the battery performance for the whole group.
Q: Do you have Minimum Order Requirement (MOQ)?
A: No, We don't have MOQ, Different customer have different requirement ,We can provide various capacity and size is per your requirements,Also ODM / OEM is welcome.
Q: What is your term of payment?
A: PayPal, T/T, L/C,
Any further questions, Welcome to contact our sales person by sending inquiry .
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